package org.apache.maven.continuum.xmlrpc.server;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  import org.apache.xmlrpc.XmlRpcException;
  import org.apache.xmlrpc.XmlRpcRequest;
  import org.apache.xmlrpc.server.RequestProcessorFactoryFactory;
  import org.codehaus.plexus.PlexusConstants;
  import org.codehaus.plexus.PlexusContainer;
  import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
  import org.codehaus.plexus.context.Context;
  import org.codehaus.plexus.context.ContextException;
  import org.codehaus.plexus.personality.plexus.lifecycle.phase.Contextualizable;
  import org.codehaus.plexus.personality.plexus.lifecycle.phase.Initializable;
  import org.codehaus.plexus.personality.plexus.lifecycle.phase.InitializationException;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.util.HashMap;
  import java.util.Map;
  
  /**
   * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
   * @version $Id: ConfiguredBeanProcessorFactory.java 1372260 2012-08-13 04:29:09Z brett $
   * @plexus.component role="org.apache.xmlrpc.server.RequestProcessorFactoryFactory"
   */
  public class ConfiguredBeanProcessorFactory
      implements RequestProcessorFactoryFactory, Initializable, Contextualizable
  {
      private static final Logger log = LoggerFactory.getLogger( ConfiguredBeanProcessorFactory.class );
  
      /**
       * @plexus.requirement role="org.apache.maven.continuum.xmlrpc.server.ContinuumXmlRpcComponent"
       */
      private Map<String, Object> xmlrpcComponents;
  
      private Map<String, String> componentsMapping = new HashMap<String, String>();
  
      PlexusContainer container;
  
      public void initialize()
          throws InitializationException
      {
          for ( String key : xmlrpcComponents.keySet() )
          {
              String className = xmlrpcComponents.get( key ).getClass().getName();
              componentsMapping.put( className, key );
          }
      }
  
      public RequestProcessorFactory getRequestProcessorFactory( final Class cls )
          throws XmlRpcException
      {
          return new RequestProcessorFactory()
          {
              public Object getRequestProcessor( XmlRpcRequest request )
                  throws XmlRpcException
              {
                  Object obj = ConfiguredBeanProcessorFactory.this.getRequestProcessor( cls );
  
                  if ( obj instanceof ContinuumXmlRpcComponent )
                  {
                      ContinuumXmlRpcConfig config = (ContinuumXmlRpcConfig) request.getConfig();
                      ( (ContinuumXmlRpcComponent) obj ).setConfig( config );
                  }
                  return obj;
              }
          };
      }
  
      protected Object getRequestProcessor( Class cls )
          throws XmlRpcException
      {
          log.debug( "Load '" + cls.getName() + "' handler." );
  
          Object obj = null;
          try
          {
              obj = getComponent( cls );
          }
          catch ( ComponentLookupException e )
          {
             log.error( "Can't load component.", e );
         }
 
         if ( obj == null )
         {
             throw new XmlRpcException( "Handler bean not found for: " + cls );
         }
 
         return obj;
     }
 
     private String getComponentKey( Class cls )
     {
         return componentsMapping.get( cls.getName() );
     }
 
     private Object getComponent( Class cls )
         throws ComponentLookupException
     {
         String key = getComponentKey( cls );
         log.debug( "load component:" + key );
         return container.lookup( ContinuumXmlRpcComponent.class.getName(), key );
     }
 
     public void contextualize( Context context )
         throws ContextException
     {
         container = (PlexusContainer) context.get( PlexusConstants.PLEXUS_KEY );
     }
 }